Quote Originally Posted by TomOfSweden View Post
It comes from the very old pre-Internet expression of "not having a life", which the computer nerds of old where accused of not having. It is based on a joke whether you like it or not. Here's the wiki.

I promise that the expression doesn't imply that people with on-line romances aren't having real romances.
Followed the link and still fail to see the joke or any reference to a joke. I guess we all have different senses of humor, not to mention opinions.